<template>
  <div>
    <table class="tb">
      <tr>
        <th>编号</th>
        <th>品牌名称</th>
        <th>创立时间</th>
        <th>操作</th>
      </tr>
      <tr v-for="item in list" :key="item.id">
        <td>{{ item.id }}</td>
        <td>{{ item.name }}</td>
        <td>{{ item.time }}</td>
        <td><button class="btn" @click="delFn(item.id)">删除</button></td>
      </tr>
      <tr><td colspan="4" v-show="isShow">没有数据咯~~</td></tr>
    </table>
  </div>
</template>

<script>
export default {
  data() {
    return {
      isShow:false,
      list: [
        { id: 1, name: '奔驰', time: '2020-08-01' },
        { id: 2, name: '宝马', time: '2020-08-02' },
        { id: 3, name: '奥迪', time: '2020-08-03' },
      ],
    }
  },
  methods:{
    delFn(id){
      console.log(id);
      this.list.splice(id, 1);
     if(this.list.length==0) this.isShow=true
    }
  }
}
</script>

<style>
.tb {
  border-collapse: collapse;
  width: 50%;
}
.tb th {
  background-color: #0094ff;
  color: white;
}
.tb td,
.tb th {
  padding: 5px;
  border: 1px solid black;
  text-align: center;
}

</style>
>
